ATE134804T1 - Digitaler ein-bit-koder und dekoder mit adaptivem filter mit einer anpassungsschaltung für bitstromüberlastung - Google Patents

Digitaler ein-bit-koder und dekoder mit adaptivem filter mit einer anpassungsschaltung für bitstromüberlastung

Info

Publication number
ATE134804T1
ATE134804T1 AT88115233T AT88115233T ATE134804T1 AT E134804 T1 ATE134804 T1 AT E134804T1 AT 88115233 T AT88115233 T AT 88115233T AT 88115233 T AT88115233 T AT 88115233T AT E134804 T1 ATE134804 T1 AT E134804T1
Authority
AT
Austria
Prior art keywords
bit
delta
decoder
digital
adjustment circuit
Prior art date
Application number
AT88115233T
Other languages
English (en)
Inventor
Douglas Evan Mandell
Original Assignee
Dolby Lab Licensing Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Application granted granted Critical
Publication of ATE134804T1 publication Critical patent/ATE134804T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/005—Combinations of two or more types of control, e.g. gain control and tone control of digital or coded signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/02—Delta modulation, i.e. one-bit differential modulation
    • H03M3/022—Delta modulation, i.e. one-bit differential modulation with adaptable step size, e.g. adaptive delta modulation [ADM]

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Filters That Use Time-Delay Elements (AREA)
AT88115233T 1987-09-25 1988-09-16 Digitaler ein-bit-koder und dekoder mit adaptivem filter mit einer anpassungsschaltung für bitstromüberlastung ATE134804T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/101,369 US4829299A (en) 1987-09-25 1987-09-25 Adaptive-filter single-bit digital encoder and decoder and adaptation control circuit responsive to bit-stream loading

Publications (1)

Publication Number Publication Date
ATE134804T1 true ATE134804T1 (de) 1996-03-15

Family

ID=22284300

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88115233T ATE134804T1 (de) 1987-09-25 1988-09-16 Digitaler ein-bit-koder und dekoder mit adaptivem filter mit einer anpassungsschaltung für bitstromüberlastung

Country Status (11)

Country Link
US (2) US4829299A (de)
EP (1) EP0308826B1 (de)
JP (1) JP2724472B2 (de)
KR (1) KR970005297B1 (de)
CN (1) CN1017855B (de)
AT (1) ATE134804T1 (de)
AU (2) AU616428B2 (de)
CA (1) CA1291222C (de)
DE (1) DE3855034T2 (de)
ES (1) ES2083952T3 (de)
MY (1) MY102755A (de)

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US5179380A (en) * 1992-02-07 1993-01-12 Rockwell International Corporation One-bit sigma-delta modulator with improved signal stability
JP3191457B2 (ja) * 1992-10-31 2001-07-23 ソニー株式会社 高能率符号化装置、ノイズスペクトル変更装置及び方法
US5451949A (en) * 1993-02-16 1995-09-19 Dolby Laboratories Licensing Corporation One-bit analog-to-digital converters and digital-to-analog converters using an adaptive filter having two regimes of operation
US5394071A (en) * 1993-02-19 1995-02-28 Mts Systems Corportion Control network with on-line iteration and adaptive filter
JP3011577B2 (ja) * 1993-07-21 2000-02-21 三洋電機株式会社 Ａ／ｄ変換器
US5450083A (en) * 1994-03-09 1995-09-12 Analog Devices, Inc. Two-stage decimation filter
US6026190A (en) * 1994-10-31 2000-02-15 Intel Corporation Image signal encoding with variable low-pass filter
US5736950A (en) * 1995-01-31 1998-04-07 The United States Of America As Represented By The Secretary Of The Navy Sigma-delta modulator with tunable signal passband
US5907623A (en) 1995-11-22 1999-05-25 Sony Corporation Of Japan Audio noise reduction system implemented through digital signal processing
US5910995A (en) * 1995-11-22 1999-06-08 Sony Corporation Of Japan DSP decoder for decoding analog SR encoded audio signals
DE19624362A1 (de) * 1996-06-19 1998-01-02 Philips Patentverwaltung Schaltungsanordnung zur Frequenzgangbeeinflussung eines digitalen Audiosignals
JP3618208B2 (ja) * 1997-11-12 2005-02-09 パイオニア株式会社 雑音低減装置
US6060950A (en) * 1998-06-05 2000-05-09 Nokia Mobile Phones Limited Control of a variable gain amplifier with a delta sigma modulator D/A converter
US6195029B1 (en) * 1998-09-25 2001-02-27 Harman Music Group Analog to digital conversion system that enables high-level signal excursions without clipping
US6535153B1 (en) * 1999-02-04 2003-03-18 Med-El Electromedizinische Gerate Ges.M.B.H. Adaptive sigma-delta modulation with one-bit quantization
US6885326B2 (en) * 1999-02-04 2005-04-26 Med-El Elektromedizinische Geraeta Gmbh Accumulator for adaptive Σ-Δ modulation
US7917224B2 (en) * 1999-07-21 2011-03-29 Med-El Elektromedizinische Geraete Gmbh Simultaneous stimulation for low power consumption
US6853695B1 (en) * 1999-10-27 2005-02-08 Paradyne Corporation System and method for deriving symbol timing
US6429988B1 (en) * 2000-09-22 2002-08-06 International Business Machines Corporation System and method for calibrating a corner frequency of a tunable filter using ADC code difference method
US7447321B2 (en) 2001-05-07 2008-11-04 Harman International Industries, Incorporated Sound processing system for configuration of audio signals in a vehicle
US6804565B2 (en) * 2001-05-07 2004-10-12 Harman International Industries, Incorporated Data-driven software architecture for digital sound processing and equalization
US7451006B2 (en) * 2001-05-07 2008-11-11 Harman International Industries, Incorporated Sound processing system using distortion limiting techniques
US6952460B1 (en) * 2001-09-26 2005-10-04 L-3 Communications Corporation Efficient space-time adaptive processing (STAP) filter for global positioning system (GPS) receivers
WO2003084074A1 (en) * 2002-03-28 2003-10-09 Med-El Elektromedizinische Geräte G.M.B.H. A system and method for adaptive sigma-delta modulation
CA2773294C (en) * 2002-05-03 2013-03-12 Harman International Industries, Incorporated Sound detection and localization system
CN1496076A (zh) * 2002-09-18 2004-05-12 �ձ����ŵ绰��ʽ���� 数据通信方法，数据发射设备，数据接收设备和数据发射程序
US6862152B2 (en) * 2003-02-25 2005-03-01 Seagate Technology Llc Adjustment of pole frequency and boost settings of a filter in a channel
US7171010B2 (en) * 2003-09-11 2007-01-30 Boston Acoustics, Inc. Dynamic bass boost apparatus and method
DE602004029489D1 (de) 2003-11-10 2010-11-18 Rose Hulman Inst Of Technology Binärer delta-sigma-modulator
WO2005057550A1 (ja) * 2003-12-15 2005-06-23 Matsushita Electric Industrial Co., Ltd. 音声圧縮伸張装置
US7266464B2 (en) * 2004-12-17 2007-09-04 Texaco Inc. Dynamic cut-off frequency varying filter
US8873669B1 (en) * 2004-12-20 2014-10-28 Apple Inc. Adaptable codec for selecting encoding scheme based on quality of experience
DE102006001673B4 (de) * 2006-01-12 2013-02-07 Infineon Technologies Ag Filter-Schaltungsanordnung
US7979037B2 (en) * 2006-07-28 2011-07-12 Panasonic Corporation Frequency modulation circuit, transmission circuit, and communication apparatus
CN102414745B (zh) * 2009-05-22 2014-07-30 松下电器产业株式会社 编码装置、解码装置及编码、解码方法
US8948241B2 (en) 2009-08-07 2015-02-03 Qualcomm Incorporated Signaling characteristics of an MVC operation point
FR2956496B1 (fr) * 2010-02-17 2012-03-09 Commissariat Energie Atomique Procede de mesure en ligne de rayonnements ionisants
US10594335B1 (en) * 2018-11-01 2020-03-17 Djuro G. Zrilic Square-law companding apparatus based on nonlinear operations on modulated bit-stream

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US4042921A (en) * 1973-12-11 1977-08-16 L.M. Ericsson Pty Ltd. Digital encoder/decoder
US3918042A (en) * 1974-04-29 1975-11-04 Motorola Inc Delta modulator having increased dynamic range
JPS56112121A (en) * 1980-02-08 1981-09-04 Nippon Telegr & Teleph Corp <Ntt> Demodulator of companding delta modulation code
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GB2128825A (en) * 1982-10-20 1984-05-02 Dbx Analog to digital and digital to analog converter
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Also Published As

Publication number Publication date
MY102755A (en) 1992-09-30
EP0308826B1 (de) 1996-02-28
KR890005982A (ko) 1989-05-18
US4829299A (en) 1989-05-09
DE3855034T2 (de) 1996-08-08
AU635420B2 (en) 1993-03-18
EP0308826A3 (en) 1990-09-05
AU616428B2 (en) 1991-10-31
CA1291222C (en) 1991-10-22
JPH01126820A (ja) 1989-05-18
DE3855034D1 (de) 1996-04-04
AU7626591A (en) 1991-08-08
ES2083952T3 (es) 1996-05-01
CN1032890A (zh) 1989-05-10
AU2243088A (en) 1989-04-06
JP2724472B2 (ja) 1998-03-09
US4940977A (en) 1990-07-10
CN1017855B (zh) 1992-08-12
EP0308826A2 (de) 1989-03-29
KR970005297B1 (ko) 1997-04-15

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Legal Events

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UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee